Introduction to Microsoft Graph API Microsoft Graph API is the unified REST endpoint for accessing data across Microsoft 365 services including Azure Active Directory, Exchange Online, SharePoint, Teams, OneDrive, and Intune. Rather than managing multiple service-specific APIs, Graph consolidates them under a single base URL: https://graph.microsoft.com. On Windows Server 2022, PowerShell combined with the Microsoft.Graph […]
Understanding SAML 2.0 and Federated Identity Security Assertion Markup Language 2.0 (SAML 2.0) is an open XML-based standard for exchanging authentication and authorization data between an Identity Provider (IdP) and a Service Provider (SP). It is the dominant protocol for enterprise Single Sign-On (SSO) integration with web applications such as Salesforce, ServiceNow, AWS, and hundreds […]
Introduction to Advanced PowerShell Scripting for Server Administration PowerShell is the backbone of modern Windows Server administration. While basic scripts get the job done for simple tasks, managing Windows Server 2022 at scale demands a deeper understanding of PowerShell’s advanced capabilities. This guide covers professional scripting practices used in production environments, from writing well-structured functions […]
What Is iSCSI and When to Use It? iSCSI (Internet Small Computer System Interface) is a block storage protocol that transports SCSI commands over standard TCP/IP networks. It allows Windows servers to access remote SAN (Storage Area Network) storage arrays as if they were locally attached block devices. Unlike NAS (Network Attached Storage) which presents […]
What Is SMB Multichannel? SMB Multichannel is a feature of the SMB 3.x protocol that allows a single SMB session to use multiple simultaneous network connections between a client and server. In traditional SMB, a single TCP connection limits throughput to one network path, regardless of how many network adapters or how much bandwidth is […]
Introduction How to Migrate from CentOS 8 to Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 Cluster with Oracle Grid Infrastructure on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system […]
Introduction How to Set Up Oracle Linux 8 for High-Performance Computing on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 in Oracle Cloud Infrastructure on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with […]
Introduction to Storage Tiering with Storage Spaces on Windows Server 2022 Storage tiering is a feature of Windows Server Storage Spaces that automatically moves frequently accessed data to faster storage (such as SSDs or NVMe drives) and less frequently accessed data to higher-capacity, lower-cost storage (such as HDDs). This provides a best-of-both-worlds approach: you get […]
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